Ejection mechanism for oil-cans or other vessels.



PATENTED AUG. 25, 1903.

R. SPBNCE. EJECTION MECHANISM POR OIL GANS ORYOTHER VESSBLS APPLIOATION FILED APR. 3, 1903.

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PATENTED AUG. 25,1903.

R. SPENCE. BJEGTIQN MEGHANISM POR OIL GANS 0R OTHER VBSSELS.

APPLICATION FILED APR. 3, 1903.

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No. 737,515. PATENTED AUG. 25, 1903.A

R. SPBNCB.

EJEGTION MEGHANISM FOR OIL CANS 0R OTHER VBSSELS.

ArPLIoATIoN FILED APB. s. 1903. No mmm. l a sHnETs-snEBT a.

No. tamis.

UNTTED STATES Fatented August 25, 190.

PATENT OFFICE.

ROBERT sPENoE, OE RICHMOND, ENGLAND.

SPECIFICATION forming part of lLetters Patent No. 737,515, dated August 25, 1903. i Application tiled April 3, 1903. Serial No. 150,95] (No model.)

To @ZZ whom it may concern/.'-

Be it known that I, ROBERT SPENOE, a subject of the King of Great Britain and Ireland, residing at the Market Place,Richmond,in the county of York, England, have invented certain new and useful Improvements in Ejection Mechanism for Oil-Cans or other Vessels; and I do hereby declare the following to be a full, clear, and exa-ct description of the invention, such as will enable others skilled in the art to which it appertains to make and use the saine This invention relates mainly to the means or mechanism for ejecting oil from oil-cans, but is also applicable in the like manner to other vessels containing liquid to be ej ected as, for instance, for spraying plants, administering medicine to cattle, dto.; but in describing the nature of my invention I will refer to its application to an oil-can.

The object and result of my present invention is to provide for a more or less copious discharge of oil under sufficient pressure to carry a considerable distance, so as to reach the journals of overhead or otherwise inconveniently-accessible shafting or for lubricating the various bearings of a locomotive and for the like purposes generally Where an ejection of oil from a spout of considerable length would facilitate the operation of applying the lubricant.

Having thus indicated the nature and utility of my invention, in order that it may be clearly understood and readily carried into eect I will proceed to describe the same in the most complete form and for that purpose have annexed hereto the accompanying drawings, which illustrate an Oil-can with the improvements applied- Figure l is a longitudinal sectional view of an oil-can tted with a single ejector for discharging oil under pressure intermittently. Fig. 2 is a similar view of an oil-can fitted with two ejectors for discharging oil under pressure in a continuous iow, corresponding to which Fig. 3 is a plan view of the body of the can with the cover removed. Fig. Il is a transverse sectional view taken on line Qc of Fig. 3 and looking toward the right. Figs. 5 and 6 illustrate, to an enlarged scale, certain details, as hereinafter described.

As shown in Fig. l, I furnish an oil-can of the usual or any suitable size and pattern with a long spout and connect the same by means of a'n internal duct or tube a with a cylinder l), mounted on a suction-chamber "c, fixed to the can-bottom. A hollow or shell piston d, open to this cylinder, but closed eX- ternally, fits into the cylinder, and for the purpose of' being operated as an ejector i'n the manner required in accordance with my invention is furnished with a plunger c, eX- tending directly from the piston-head through the casing of the oil-can, so as to terminate in the usual thumb-button c. In combination with this plunger is provided a spiral spring f, extending from a point of connection with the piston-head to another with the casing of the can, so that when the piston is pushed into the cylinder by depressing the button e the spring is distended and ready to draw the piston back again as soon as the pressure on the spindle is removed. It will now be seen that if means are provided for charging the space inclosed between the piston d and cylinder l) with oil from the body of the can the instroke of the piston will eject the oil through the duct or tube d, extending toward the spout of the can, through which a discharge will accordingly take place under the pressure due to air compression in the ejector. The proper working of this is effected by any suitable meansfas, for instance, by means of the suction-chamber c, upon which the cylinder b is erected, and two perforated disks g and h, placed at the lower part of the cylinder, of which the lower disk, h, is iiXed. The suctionL chamber c, with its perforated sides preferably set to an incline, receives the oil from the body of the can to be sucked up through the disks g and 7L as the piston d is drawn outwardly from the cylinder h. The disks by means of a square pin or stud i or other equivalent device which links them together in a manner which enables them to be set apart, as shown in Fig. 5, are restrained from rotary movement relatively to each other, so

that by arranging their perforations out of ICO In connection With the foregoing arrange D b b ment I provide a port j in the wall of the piston d and a corresponding port 7c in the wall of the cylinder b, the latter communicating with the duct d, which ports are so located in relation to each other that as the piston is forced into the cylinder a pressure of oil is set up by air compression which is ejected into the duct or tube a when the portj arrives in front of port 7c as the piston reaches the bottom of its stroke.

An oil-can thus furnished witha single ejector would eject oil intermittently and for certain purposes would effect the object of my invention; but in order to add further to its utility, so as to enable oil to flow or run out by gravity like an ordinary oil-can, in the case of a single ejector I provide additional ports k in the cylinder b and j' j' in the piston d, so that in another position of the piston the ports 7c ajj' afford a passage through the cylinder into the duct a from the body of the can. It is then a matter of adjustment by the thumb-button and trigger whether the oil is ejected by force or runs out by gravity, and for the purpose of ejection by force air can be drawn into the ejector by Working the trigger while holding the oil-can in the inverted position.

The aforesaid construction of an oil-can with one ejector, thus partially embodying my invention, can be modified or supplemented by providing a second ejector b', as shown in 2, 3, and 4, so working in conjunction with the first ejector b that the flow or discharge of oil under pressure is continuous at will, the two ejectors being placed, say, one at the rear or handle end of the can and the other near the spout, the port 7c in the wall of the cylinder b communicating with the duct ct/ by an outlet-pipe Z. The plunger e2, arranged to operate the piston of one ejector, directly will simultaneously operate the piston of the other ejector by the bifurcated lever m, the instroke of one piston corresponding to the outstroke of the other, so that a continuous discharge of oil is a matter of manipulation.

f indicates the return-spring for restoring the parts to the initial position. In such a case the ports otherwise provided in theriirst ejector to let the oil run out by gravity will now be provided at t7'2 and 7.92 in the piston and cylinder of the second ejector b near the spout and will not be required in those of the iirst ejector b near the rear or handle end of the can, the outlet-pipe n affording the second ejector a separate connection with the spout, which is necessary. By pressing the thumbpiece e' very slightly the ports D7'2 and k2 are brought opposite each other by the outstroke of the piston d', which allows the oil to run out by gravity if the can is held spout downward. Vhen the same ports are brought together by the instroke of the piston d', the oil is ejected by air compression, the same as in the case of the first ejector. Other convenient accessories may also be provided conducive to the perfect working of the ejection mechanism,

such as the set-screw 0 for the plunger, thus adjusting the stroke of the piston to a more or less copious discharge of oil.

I claim as my inventionl. The combination with a vessel containing liquid and provided with a spout, of a hollow chamber mounted in said vessel and perforated in'its side, a pipe connecting said perforation with said spout, and a hollow piston open at its lower end and perforated to register with the perforation inthe side of said chamber at a given point or points of its stroke, means for reciprocating said piston in said chamber, and means for feeding oil from the vessel into said chamber, substantially as described.

2. The combination with a vessel containing liquid and provided with a spout, of a hollow chamber mounted in said vessel and perforated in its side, a pipe connecting said perforation with said spout, and a hollow piston open at its lower end and perforated to register with the perforation in the side of said chamber at a given point or points of its stroke, means for reciprocating said piston in said chamber, a perforated plate forming the base of said chamber, and a second plate also perforated arranged to close the perforations in the lower plate when it is in the lower position, and to be lifted by the suction of said piston, permitting the passage of liquid through said perforations in both plates when the movable plate is lifted, substantially as described.

3. The combination with a vessel containing liquid and provided with a spout, of a hollow chamber mounted in said vessel and perforated in its side, a pipe connecting said perforation with said spout, and a hollow piston open at its lower end and perforated to register with the perforation in the side of said chamber at a given point or points of its stroke, a s prin g-plunger for reciprocating said piston in said chamber, and means for feeding the oil into the base of said chamber, substantially as described.

4., The combination with a vessel containing liquid and provided with a spout, of two hollow chambers mounted in said vessel and each perforated in its side, pipes connecting said perforations with said spout, a hollow piston in each chamber, each piston being open at its lower end and perforated on itsY side to register with the perforation in the side of the corresponding chamber at a given point or points of its stroke, means for reciprocating said pistons in said chambers, and means for feeding oil from the vessel into said chambers, substantially as described.

5. The combination with a ves'sel containing liquid and provided with a spout, of two hollow chambers mounted in said vessel and each perforated in its side, pipes connecting said perforations with said spout, a hollow piston in each chamber, each piston being open at its lower end and perforated on its side to register with the perforation in the side of IOO IIO

the corresponding chamber at a given point In testimony whereof I ztx my signature or points of its stroke, a lever pivoted between in presence of two Witnesses. said chambers and connected to said pistons, means for rocking said level' and thus recip- 5 roeatng said pistons, and means for feeding Vitnesses:

oil from the Vessel into said chambers, sub- GEORGE J. CLARKSON, stantially as described. EDWARD T. ELooAT.

ROBERT SPENCE.. 

